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Ceiling Radiation Damper, Size 320, For Model SP A200-A390 and B50-B200

The SP Ceiling Radiation damper protects fire rated ceilings and effectively blocks the spread of heat and flames through the building's ventilation system. This damper is UL Classified; rated at three to four hours fire resistance.
Availability:  2 in Troy
Products specifications
Attribute name Attribute value
Weight 6 lbs